更多"The width of a rectangle is 6 cm le"的相关试题:
[单项选择]A. Less than 15 students. B. Less than 10 students.
C. About 20 students. D. About 25 students.
[填空题]These cost less than usual.
[单项选择]If k is an integer greater than 44 and less than 51，then which of the following could be the product of 11 and k ？（）
A. 565
B. 550
C. 500
D. 484
E. 440
[简答题]Teachers are paid considerably less than professions that require a simil ar amount of education and skill.
[单项选择]A. Less than three hours. B. More than three hours.
C. Less than four hours. D. More than four hours.
[填空题]Mr Zidane earns less than Michael Jordan.
[单项选择]Researchers found that teens who slept less than 6.5 hours a night were 2.5 times more likely than those who slept longer to have（）blood pressure.
A. alternated
B. accelerated
C. elevated
D. startled
[填空题]Substances with pH values less than 7 are alkaline.
[单项选择]How many positive whole numbers less than or equal to 50 are NOT equal to squares of whole numbers
A. 9
B. 15
C. 43
D. 44
E. 45
[简答题]
Write your announcement with no less than 100 words. Write it neatly on ANSWER SHEET 2. Do not sign your own name at the end of the letter; use "Li Ming" instead.
You do not need to write the address. (10 points)
[简答题]Directions: Write a composition of no less than 150 words about your opinions on academic plagiarism- the dishonest act in academic communication. Write your answer on ANSWER SHEET 2.
[单项选择]The world’s rainforests cover less than ten percent of the earth’s surface, but contain over forty percent of all plant and animal species. The biggest rainforest is in South America, it’s called the Amazon.
Amazon is by far the largest remaining rainforest area left on our planet. It’s about 6 to 7 million square kilometers. It’s about two-thirds the size of the United States including Alaska. It’s enormous. Sixty percent of it is in Brazil, but the rainforest also extends into Bolivia, Peru, E cuador, Colombia, Venezuela, French Guiana and Surinam. And amazingly each year the Amazon provides twenty percent of the world’s fresh water. Here you can find at least 60-70 thousand plant species and at least 3 thousand species of fresh water fish. And more monkeys than you find anywhere else on earth. In Brazil alone nine new species of monkeys have been identified over the last year.
But many of those species, known and unknown, are destroyed every day. Moreover, constant logging
A. South America
B. North America
C. South Africa
D. North Africa
[单项选择] Carbon dioxide makes up less than one percent of the Earth’s atmosphere. But the gas is very important to life on Earth. Scientists are finding that processes involving carbon dioxide affect our climate in ways that are difficult to understand.
Last month, a committee of the National Academy of Sciences in Washington released a report. It confirmed that world temperatures increased about six-tenths of a degree Celsius in the last one hundred years. The report also confirmed evidence that the level of carbon dioxide is increasing.
The best information about climate in the past comes from tests of ice many kilometers deep in Antarctica and Greenland. The tests show changes in temperature during the past four-hundred-thousand years. These tests show that levels of carbon dioxide today are the highest ever measured. These findings have led scientists to believe that carbon dioxide is a major cause of climate warming.
Carbon dioxide is released into the atmosphere when fuel i
A. organ
B. topic
C. publication
D. result
